package com.mdxl.layer_cj.test;

import org.junit.Test;

import java.util.HashMap;
import java.util.Map;

public class Mianshi {
    @Test
    public void test1(){
        String a="abc";
        String b = "abc" ;
        String c = new String("abc");
        String d = "ab" + "c";
        if (a==b){
            System.out.println("a==b");
        }else {
            System.out.println("a!=b");
        }
        if (a==c){
            System.out.println("a=c");
        }else {
            System.out.println("a!=c");
        }
        if (a==d){
            System.out.println("a=d");
        }else {
            System.out.println("a!=d");
        }
        String num ="47632";
        int aa = Integer.valueOf(num);
        System.out.println(aa);
    }
}
